1.

In curing cement plasters, water is sprinkled from time to time. Which of the following statements are incorrect.

Answer»

keeping it cool
converting SAND in to silicic acid
HYDRATED sand gravel mixed with cement
developing interlocking NEDDLE like CRYSTALS of hydrated silicates

Solution :The three resons are not correct.
Reason : developing interlocking needle like cyrstals of hydrated silicates.


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